Home / 34,719.39-47,912.79-18,803.85

Finding the Fourth Proportional to 34,719.39, 47,912.79 and 18,803.85

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Solution

The fourth proportional to 34,719.39, 47,912.79 and 18,803.85 is: 25,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.39 : 47,912.79 = 18,803.85 : x
  2. Step 2: Convert to fraction form
    34,719.39/47,912.79 = 18,803.85/x
  3. Step 3: Cross multiply
    34,719.39x = 47,912.79 × 18,803.85
  4. Step 4: Simplify right side
    34,719.39x = 900,944,916.24
  5. Step 5: Solve for x
    x = 900,944,916.24/34,719.39
  6. Step 6: Final answer
    x = 25,949.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.